we also know he lived with his mother in connecticut. and that the mother was a teacher at the school. and she too is presumed to be dead. now adam lanza also had a brother named ryan. this is video of ryan. he's 24 years old, and he was taken into custody and questioned by police, but is not believed to be involved in the shooting. now neighbors of the suspect say they know little about him. but reporters did speak with one of adam lanza's classmates. now to another developing story. >> he was just a kid, just a kid. a bit antisocial. he was not a troublemaker, and definitely not. and to the gist othat's just kind of that e would against his mother can you wrap your head from that? >> i do not know anybody that would do anything like that. >> your general sense is what? this is unspeakable. when i first heard about this, i was still in shock >> pam, this is all developing and trickling in as we get more information. >> we are all in shock. there was one additional body outside every school location. that was the mother of the shooter in